Title:
AMORPHOUS ACTIVATED CARBON PARTICLE, SOUND-ABSORBING PARTICLE, AND SOUND-PRODUCING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2020/108254
Kind Code:
A1
Abstract:
Disclosed are an amorphous activated carbon particle, a sound-absorbing particle, and a sound-producing apparatus. The amorphous activated carbon particle comprises three elements, namely carbon, hydrogen, and oxygen, where the mass proportion of carbon is greater than or equal to 60 wt%, the amorphous activated carbon particle comprises a random layer structure formed by irregularly stacked molecular fragments of a two-dimensional graphite layer structure and/or a three-dimensional graphite microcrystal, the amorphous activated carbon particle is provided therein with a loose pore structure, the pore structure comprises nanopores and mesopores, the pore diameter of the nanopores is in the range of 0.5-2 nanometers, the pore diameter of the mesopores is in the range of 2-20 nanometers, and the cumulative pore volume of the amorphous activated carbon particle is in the range of 0.6-5 cm3/g. One technical effect of the present invention is such that the activated carbon sound-absorbing particle is applicable in reducing the resonant frequency of the sound-producing apparatus.
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Inventors:
HUI BING (CN)
LING FENGGUANG (CN)
LI CHUN (CN)
ZHANG CHENGFEI (CN)
LIU CHUNFA (CN)
LING FENGGUANG (CN)
LI CHUN (CN)
ZHANG CHENGFEI (CN)
LIU CHUNFA (CN)
Application Number:
PCT/CN2019/115978
Publication Date:
June 04, 2020
Filing Date:
November 06, 2019
Export Citation:
Assignee:
GOERTEK INC (CN)
International Classes:
H04R31/00
Foreign References:
| CN105516880A | 2016-04-20 | |||
| US20110048844A1 | 2011-03-03 | |||
| CN102161671A | 2011-08-24 |
Other References:
HUANG, ZHENXING: "Non-official translation: Experimental Research Methods of Various Properties of Activated Carbon", NON-OFFICIAL TRANSLATION: BASIC TECHNOLOGY OF ACTIVATED CARBON, 31 December 2006 (2006-12-31), DOI: 20191225124717Y
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